Finding the Fourth Proportional to 2,506.89, 3,756.69 and 1,777.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.89 : 3,756.69 = 1,777.89 : x
2. Step 2: Convert to fraction form
   2,506.89/3,756.69 = 1,777.89/x
3. Step 3: Cross multiply
   2,506.89x = 3,756.69 × 1,777.89
4. Step 4: Simplify right side
   2,506.89x = 6,678,981.58
5. Step 5: Solve for x
   x = 6,678,981.58/2,506.89
6. Step 6: Final answer
   x = 2,664.25